9.The acetolysis,oxidation and hydrolysis reactions in the synthetic process of 16-dehydropregnenolone acetate from diosgenin were studied.
研究了以薯蓣皂素为原料合成妊娠双烯醇酮醋酸酯生产工艺中的开环、氧化和水解3步反应。
10.Deuterated perlolyrine was synthesizedstarting from deuterated tryptophan via acid-catalyzed ring-closure, aromatisationand hydrolysis, with a yield of 11.
以色氨酸和氘水反应合成的氘标色氨酸为原料,经环化、氧化脱羧及水解等反应合成氘标川芎哚,产率为11。
11.Novel phosvitin phosphopeptides (PPP) were prepared by tryptic hydrolysis following alkaline dephosphorylation of hen egg yolk phosvitin.
12.Abstract: The hydrolysis process of antimony pentachloride and its hydrochloric acid solution was studied.
摘 要: 研究五氯化锑及其盐酸溶液的水解过程。
13.Hydrolysis of glycosidic bond at C20 and isomerous reaction of C20 were the main reaction of dammarane type ginsenoside.
在加工过程中达玛烷型人参皂苷主要发生20位糖苷键水解和异构化。
14.The recent developments in conventional synthesis of naphthol are summarized, including sulfonation alkali-fusion, via isopropyl naphthalene, hydrolysis, via tetrahydronaphthalene.
摘要简述了近年来一元萘酚传统合成技术的发展,包括磺化碱熔法、异丙萘法、水解法、四氢化萘法。
15.O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.
氧芐基羟胺盐酸盐可通过苯甲羟肟酸的氧苄醚化、酸水解及氯化氢成盐制得,总收率76%。
16.The reacting conditions for hydrolysis of casein from milk by trypsase were researched through the single factor and the orthogonal test.
通过单因素实验和正交实验研究了用胰蛋白酶水解牛乳酪蛋白的工艺条件。
17.Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.
主要介绍了四种二氯苯甲醛的合成工艺路线,并比较利弊,阐述了甲苯磺氯氯化水解法的优越性。
18.However, one major defect of applying starch material to the affinity adsorption is the easy hydrolysis of starch by the amylolytic enzyme mixture.
多种淀粉处理方法都可用来提高淀粉酶的吸附效果,如向淀粉酶溶液中添加乙醇或盐,和加热-水处理。
19.Zhaocun bentonite deposit oringnated from tuff rich in volcanic hyalocrystalline,which underwent hydrolysis and alteration in Changxing county,Zhejiang province.The deposit has middle scale.
浙江省长兴县赵村膨润土矿是由富含火山玻璃质的凝灰岩原地水解蚀变形成的膨润土矿床,矿床具中型规模。
20.The review discusses many ways of preparing hydrazine through hydrolysis of Azine, and the effects of catalyst to yield of hydrazine by hydrolyzing azine.